body {
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
    transition: box-shadow 0.2s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.display-4 {
    color: #212529;
    font-weight: 300;
}

.lead {
    color: #6c757d;
}

.modal-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.lineage-item {
    padding: 10px;
    margin: 5px 0;
    background-color: #f8f9fa;
    border-radius: 5px;
    border-left: 4px solid #0d6efd;
}

.lineage-parent {
    border-left-color: #28a745;
}

.lineage-child {
    border-left-color: #ffc107;
}

.progress {
    height: 20px;
    background-color: #e9ecef;
    border-radius: 4px;
}

.progress-bar {
    background-color: #0d6efd;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 500;
}

#uploadStatus {
    color: #6c757d;
    font-weight: 500;
}